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                                      • Beckhoff EL3204 Temperature Input Terminal

                                        Product Type: EtherCAT Analog Temperature Input Terminal
                                        Model: EL3204
                                        Function: 4-Channel RTD / Resistance Input
                                        Manufacturer: Beckhoff Automation

                                        The Beckhoff EL3204 is a 4-channel EtherCAT analog input terminal designed for direct connection of RTD and resistance sensors. It supports Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Ni1000 and KTY sensors, with integrated resistance-to-temperature conversion and digital filtering.

                                        Technical Specifications

                                        Parameter	Specification
                                        Model	EL3204
                                        Number of Inputs	4
                                        Input Type	RTD / Resistance
                                        Sensor Types	Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Ni1000, KTY
                                        Connection	2-wire
                                        Resolution	0.1°C per digit
                                        Pt Sensor Range	-200 to +850°C
                                        Ni Sensor Range	-60 to +250°C
                                        Measurement Error	< ±0.5°C for Pt sensors
                                        Conversion Time	Approx. 85 ms default; 2–800 ms configurable
                                        Measuring Current	< 0.5 mA
                                        Input Filter	Typ. 1 kHz
                                        Electrical Isolation	500 V
                                        E-bus Current	Approx. 190 mA
                                        Process Image	4 × 32-bit RTD inputs
                                        Operating Temperature	-25 to +60°C
                                        Protection Rating	IP20
                                        Mounting	35 mm DIN rail
                                        Dimensions	12 × 100 × 68 mm
                                        Weight	Approx. 60 g

                                        Specifications are based on Beckhoff's official product documentation.

                                        Advantages & Features

                                        • 4-Channel Temperature Measurement: Supports four RTD/resistance sensors simultaneously.
                                        • Wide Sensor Compatibility: Supports Pt100, Pt1000, Ni120, Ni1000 and KTY sensors.
                                        • Direct Sensor Connection: No separate signal converter is required.
                                        • Automatic Temperature Conversion: Converts resistance values into temperature values inside the terminal.
                                        • 16-Bit Measurement: Provides high-resolution temperature acquisition.
                                        • Digital Filtering: Integrated filtering helps reduce signal interference.
                                        • Limit Monitoring: Supports monitoring of configured temperature limits.
                                        • Compact Design: Only 12 mm wide, saving control cabinet space.
                                        • EtherCAT Integration: Direct connection to Beckhoff EtherCAT control systems.

                                        Typical Applications

                                        • Industrial temperature monitoring
                                        • Process automation
                                        • Machine temperature measurement
                                        • Furnace and oven systems
                                        • Motor and bearing temperature monitoring
                                        • Chemical and pharmaceutical equipment
                                        • Food processing equipment
                                        • Factory automation
                                        • HVAC and environmental monitoring
                                        • Industrial instrumentation
                                      •  

The structure and details of the product：

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